Lucy's goal for her cycling class at the gym is to burn 450 calories in one hour. The number of calories (c) she actually burns in one hour varies no more than 45 calories. Which inequality below represents this scenario?

A. |c - 450| ≤ 45

B. |c + 450| ≥ 45

C. |c - 45| ≤ 450

D. |c - 45| ≥ 450

Question

Mathematics

Laney Ryan

29 October, 09:14

Lucy's goal for her cycling class at the gym is to burn 450 calories in one hour. The number of calories (c) she actually burns in one hour varies no more than 45 calories. Which inequality below represents this scenario?

A. |c - 450| ≤ 45

B. |c + 450| ≥ 45

C. |c - 45| ≤ 450

D. |c - 45| ≥ 450

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Answers (1)

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Caitlin Hunter · Answer 1

We are given the data that the threshold that lucy burns is 450 calories. However, there are fluctuating counts that tell that no more than 45 calories are burnt than 450. Hence, the inequality is A. |c - 450| ≤ 45. Hence the absolute value considers both lower and higher than 450.

Lucy's goal for her cycling class at the gym is to burn 450 calories in one hour. The number of calories (c) she actually burns in one hour varies no more than 45 calories. Which inequality below represents this scenario?A. |c - 450| ≤ 45B. |c + 450| ≥ 45C. |c - 45| ≤ 450D. |c - 45| ≥ 450